Home / 2,158,376.40-3,239,638.20-1,094,619.60

Finding the Fourth Proportional to 2,158,376.40, 3,239,638.20 and 1,094,619.60

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Solution

The fourth proportional to 2,158,376.40, 3,239,638.20 and 1,094,619.60 is: 1,642,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,376.40 : 3,239,638.20 = 1,094,619.60 : x
  2. Step 2: Convert to fraction form
    2,158,376.40/3,239,638.20 = 1,094,619.60/x
  3. Step 3: Cross multiply
    2,158,376.40x = 3,239,638.20 × 1,094,619.60
  4. Step 4: Simplify right side
    2,158,376.40x = 3,546,171,470,628.72
  5. Step 5: Solve for x
    x = 3,546,171,470,628.72/2,158,376.40
  6. Step 6: Final answer
    x = 1,642,981.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.